Finding the Fourth Proportional to 7,199,767,201.77, 9,935,605,537.07 and 3,984,683,464.98
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Solution
The fourth proportional to 7,199,767,201.77, 9,935,605,537.07 and 3,984,683,464.98 is: 5,498,822,668.65
Step by Step Solution
- Step 1: Write the proportion equation
7,199,767,201.77 : 9,935,605,537.07 = 3,984,683,464.98 : x - Step 2: Convert to fraction form
7,199,767,201.77/9,935,605,537.07 = 3,984,683,464.98/x - Step 3: Cross multiply
7,199,767,201.77x = 9,935,605,537.07 × 3,984,683,464.98 - Step 4: Simplify right side
7,199,767,201.77x = 39,590,243,098,106,642,432 - Step 5: Solve for x
x = 39,590,243,098,106,642,432/7,199,767,201.77 - Step 6: Final answer
x = 5,498,822,668.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.